Everything you need to know — in plain English. No jargon, no pressure.
Medicare doesn't have to be confusing. Whether you're turning 65, helping a parent, or just trying to finally understand what you signed up for — this guide covers everything from the basics to the decisions that matter most.
Take it at your own pace. Start anywhere. And when you're ready to talk to someone in your area who can help you figure out the right plan for your life — that's exactly what our directory is for.
Start Here
Medicare is the federal health insurance program for Americans 65 and older — and for some younger people with certain disabilities or medical conditions.
It was signed into law in 1965 and today covers more than 67 million Americans. Unlike employer health insurance, Medicare isn't tied to a job. It follows you wherever you go.
But here's the thing most people don't realize when they first sign up: Medicare isn't one plan. It's a system — made up of different parts that cover different things. Understanding how the parts fit together is the first step to making a good decision. That's exactly what we're going to walk through.
The Building Blocks
Think of Medicare like a puzzle. Each piece covers something different. Together, they can cover almost everything — but only if you put the right pieces together for your situation.
Part A — Hospital Insurance
The catch: a $1,736 deductible per benefit period in 2026. It's not annual — it resets every time you start a new hospital stay. Multiple hospitalizations in a year could mean paying it more than once.
Part B — Medical Insurance
The catch: a $283 annual deductible, then Medicare pays 80% — you pay the remaining 20%, with no annual cap. That uncapped 20% is one of the biggest reasons people add supplemental coverage.
Part C — Medicare Advantage
An alternative way to get your coverage — a private plan approved by Medicare that replaces Parts A & B, usually bundling Part D plus extras like dental, vision, hearing, fitness memberships, and OTC allowances.
Often $0/month + Part B premiumThe catch: plans use networks. Copays and coinsurance apply until you hit the plan's out-of-pocket max — always confirm your doctors and hospital are in-network before enrolling.
Part D — Prescription Drugs
Prescription medication coverage through a private, Medicare-approved plan. Each plan has its own drug list (formulary) and cost-sharing structure.
~$34–55/month national averageThe catch: skip it without other creditable drug coverage and you'll pay a permanent late-enrollment penalty. Good news — a $2,100 annual out-of-pocket cap on covered drugs took effect in 2024 and continues in 2026.
The Big Decision
Once you have Parts A and B, you face the most important Medicare decision you'll make: do you want Original Medicare or Medicare Advantage? This is the fork in the road. Here's how each path works.
You keep Original Medicare as your coverage, add a Medigap plan to fill most of the gaps, and add a separate Part D plan for prescriptions.
You enroll in a private plan that bundles your hospital, medical, and usually drug coverage into one plan, using that plan's network.
There's no universal answer
Filling the Gaps
Medigap is private insurance that fills the gaps Original Medicare leaves behind. Remember that uncapped 20% we mentioned under Part B? And the $1,736 hospital deductible that can hit more than once? Medigap covers most or all of those costs — depending on which plan you choose.
The most popular Medigap plans in 2026:
| Plan | What It Covers | Best For |
|---|---|---|
| Plan G | Everything except the $283 Part B deductible | People who want comprehensive coverage and predictable costs |
| Plan N | Same as G, but with small office visit and ER copays | Generally healthy people who want lower premiums |
| HD Plan G | Same as G, but you pay the first $2,950 before coverage kicks in | Healthy people who want the lowest possible monthly premium |
Who sells Medigap? Private insurance companies sell Medigap plans. The benefits for each lettered plan are standardized by federal law — meaning a Plan G from Company A covers the exact same things as a Plan G from Company B. The difference is the premium and the company's reputation for rate stability.
Timing Matters
This is the part of Medicare that trips people up the most. Miss certain windows and you'll pay a permanent penalty.
A 7-month window — starts 3 months before the month you turn 65, includes your birthday month, and ends 3 months after. Enroll in Parts A and B during this window unless you have qualifying coverage from a current employer. Miss it: the Part B penalty is 10% of the monthly premium for every 12-month period you were eligible but didn't enroll — permanently. At $202.90/month, a two-year delay adds more than $40 to your monthly bill for life.
Available when you lose coverage from a current employer (yours or your spouse's). COBRA and retiree health coverage do NOT count — only active, current employer coverage gives you an SEP. The moment you retire, the clock starts.
Change Medicare Advantage plans, switch between Original Medicare and Medicare Advantage, or change your Part D plan. Changes take effect January 1. Review your plan every year — what was right at 65 may not be right at 72.
Switch Medicare Advantage plans once, or return to Original Medicare. Does NOT allow switching Part D plans if you're already in Original Medicare.
| Age / Situation | What to Do |
|---|---|
| 3 months before turning 65 | Your Initial Enrollment Period begins — start researching |
| Month you turn 65 | Ideal time to enroll in Parts A and B |
| Retiring after 65 | Enroll in Parts A and B within 8 months of losing employer coverage |
| Every October | Review your plan during Annual Enrollment Period |
| January–March | Open Enrollment Period to adjust Medicare Advantage if needed |
The Numbers
| Cost | Amount |
|---|---|
| Part A premium | $0 for most people |
| Part A hospital deductible | $1,736 per benefit period |
| Part B premium | $202.90/month (standard) |
| Part B deductible | $283/year |
| Part B coinsurance | 20% of approved costs (no cap under Original Medicare) |
| Skilled nursing facility (days 21–100) | $217.00/day |
| Part D — national average premium | ~$34–55/month |
| Part D annual out-of-pocket cap | $2,100 |
| Medicare Advantage average MOOP | $9,250 maximum |
| Medigap Plan G (national average) | Varies by state and carrier |
Source: CMS 2026 Medicare Cost Data
Know the Limits
Original Medicare does not cover:
Some Medicare Advantage plans include dental, vision, and hearing benefits. Part D covers prescriptions. Long-term care requires separate long-term care insurance or other planning.
Speak the Language
Starts when you're admitted to a hospital and ends after 60 consecutive days without hospital or skilled care. Each new one means a new Part A deductible.
Your share of the cost after the deductible — usually a percentage, like 20%.
A fixed dollar amount you pay for a service, like $25 for a doctor visit.
Insurance that covers drug costs at least as well as Part D. Having it lets you delay Part D without a penalty.
The list of drugs covered by your Part D or Medicare Advantage plan.
Income-Related Monthly Adjustment Amount. Higher-income beneficiaries pay more for Parts B and D.
The doctors, hospitals, and providers that have agreed to accept a specific plan's payment rates.
The most you'd pay in a plan year for covered services. Original Medicare has no MOOP — only Medicare Advantage plans do.
Approval your plan requires before covering certain procedures, medications, or referrals.
A window outside normal enrollment when you can make changes due to a qualifying life event.
Don't Confuse These
People confuse these two programs all the time. They sound similar but they're very different.
| Medicare | Medicaid | |
|---|---|---|
| Who it's for | People 65+ and some younger people with disabilities | People with low income and limited resources |
| Who runs it | Federal government | Federal + state governments jointly |
| Based on | Age or disability | Income and assets |
| Costs | Premiums, deductibles, copays | Very low or none for eligible people |
Some people qualify for both — called "dual eligibles." If you think you might qualify for Medicaid or extra Medicare help (Extra Help/LIS for Part D), a local agent can help you understand your options.
Learn From Others
COBRA doesn't count as creditable coverage for Part B. If you retire and take COBRA, your penalty clock is running. Enroll in Medicare when you become eligible.
The late-enrollment penalty accrues every month you go without creditable drug coverage — permanently. Enroll in a low-cost Part D plan to protect yourself.
Plans change every year. Your health changes. The plan that was right at 65 may not be right at 70. Review your coverage every October during Annual Enrollment Period.
The monthly premium is the least important number. What matters is whether your doctors are in-network, what your medications cost, and your out-of-pocket exposure if something serious happens.
A captive agent can only show you one company's plans. An independent broker represents many carriers and can show you every option in your area — including the one that's actually right for you.
You Don't Have to Do This Alone
Medicare has hundreds of plan options across the country. Plans vary by ZIP code. What's available in one city may not be available in the next. Network access, drug coverage, premiums, and benefits all differ by location. A local, independent Medicare agent:
You've done the reading. Now it's time to talk to someone who knows your local market, your local hospitals, and the plans that are actually available where you live. Search is free. No pressure. No obligation.
Or browse by state →FindMyMedicareAgent.com is not connected with or endorsed by the United States government or the federal Medicare program. We do not sell insurance. We connect consumers with licensed, independent Medicare insurance agents. For information on all Medicare options, visit Medicare.gov or call 1-800-MEDICARE (1-800-633-4227).